Comparison of Shear Bond Strength and Adhesive Remnant Index of Brackets Bonded with APC Flash free Adhesive Precoated System and a Conventional Adhesive System – An In-Vitro Study.
Journal Title: International Journal of Dental Science and Innovative Research (IJDSIR) - Year 2019, Vol 2, Issue 3
Abstract
Objectives: This study intends to compare the shear bond strength of APC flash free adhesive pre coated brackets (Group I) with that of clarity advanced ceramic brackets (Group II) and to compare the Adhesive Remnant Index. Material and Method: A total of 60 extracted premolar, divided into 2 groups mounted on acrylic block. Each tooth was etched, rinsed and air dried. 30 samples were bonded with APC flash free adhesive pre-coated brackets, rest 30 samples were bonded conventionally. Force was applied at a cross-head speed of 3mm/min; the load at failure (N) was recorded. Enamel surface was evaluated with a stereomicroscope & ARI were recorded. Results were subjected to Mann- Whitenny U test for statically analysis. Result: Group I had comparatively lesser mean SBS value when compared to Group II. The APC flash free adhesive pre-coated brackets have higher ARI score than the conventionally bonded ceramic brackets. Conclusion: The SBS for APC flash free adhesive pre-coated brackets was lesser when compared to conventionally bonded ceramic brackets. Both had clinically acceptable bond strength. Therefore APC flash free adhesive pre-coated brackets can be advantageous as fewer steps in bonding process results in fewer errors. Further In- Vivo performance of the product are yet to be analyzed.
Authors and Affiliations
Dr. Shilpa Elizabeth Wilson
Keywords
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